Ventilation grille



FIG. 1 is a bottom perspective view of the ventilation grille of the instant invention;

FIG. 2 is a top perspective view of the grille of FIG. 1;

FIG. 3 is a bottom view of the grille of FIG. 1;

FIG. 4 is a top view of the grille of FIG. 1;

FIG. 5 is a left side view of the grille of FIG. 1;

FIG. 6 is a right side view of the grille of FIG. 1;

FIG. 7 is a front side view of the grille of FIG. 1; and,

FIG. 8 is a rear side view of the grille of FIG. 1.

The broken lines illustrate portions of the ventilation grille that form no part of the claimed design.

The regularly spaced and short vertical lines on the sides of the ventilation grille are surface shading and are not surface ornamentation. 

CLAIM The ornamental design for a ventilation grille, as shown and described. 